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#pragma once
#include "openvic-simulation/types/IdentifierRegistry.hpp"
namespace OpenVic {
struct ModifierManager;
struct ModifierEffect : HasIdentifier {
friend struct ModifierManager;
private:
/* If true, positive values will be green and negative values will be red.
* If false, the colours will be switced.
*/
const bool positive_good;
// TODO - format/precision, e.g. 80% vs 0.8 vs 0.800, 2 vs 2.0 vs 200%
ModifierEffect(const std::string_view new_identifier, bool new_positive_good);
public:
ModifierEffect(ModifierEffect&&) = default;
bool get_positive_good() const;
};
struct ModifierValue {
friend struct ModifierManager;
using effect_map_t = std::map<ModifierEffect const*, fixed_point_t>;
private:
effect_map_t values;
public:
ModifierValue();
ModifierValue(effect_map_t&& new_values);
ModifierValue(ModifierValue const&);
ModifierValue(ModifierValue&&);
/* Removes effect entries with a value of zero. */
void trim();
size_t get_effect_count() const;
fixed_point_t get_effect(ModifierEffect const* effect, bool* successful = nullptr);
bool has_effect(ModifierEffect const* effect) const;
ModifierValue& operator+=(ModifierValue const& right);
ModifierValue operator+(ModifierValue const& right) const;
ModifierValue operator-() const;
ModifierValue& operator-=(ModifierValue const& right);
ModifierValue operator-(ModifierValue const& right) const;
friend std::ostream& operator<<(std::ostream& stream, ModifierValue const& value);
};
struct Modifier : HasIdentifier, ModifierValue {
friend struct ModifierManager;
using icon_t = uint8_t;
private:
/* A modifier can have no icon (zero). */
const icon_t icon;
Modifier(const std::string_view new_identifier, ModifierValue&& new_values, icon_t new_icon);
public:
Modifier(Modifier&&) = default;
icon_t get_icon() const;
};
struct ModifierInstance {
private:
Modifier const& modifier;
Date expiry_date;
ModifierInstance(Modifier const& modifier, Date expiry_date);
public:
Modifier const& get_modifier() const;
Date const& get_expiry_date() const;
};
struct ModifierManager {
private:
IdentifierRegistry<ModifierEffect> modifier_effects;
IdentifierRegistry<Modifier> modifiers;
public:
ModifierManager();
bool add_modifier_effect(const std::string_view identifier, bool province_good);
IDENTIFIER_REGISTRY_ACCESSORS(ModifierEffect, modifier_effect)
bool add_modifier(const std::string_view identifier, ModifierValue&& values, Modifier::icon_t icon);
IDENTIFIER_REGISTRY_ACCESSORS(Modifier, modifier)
NodeTools::node_callback_t expect_modifier_value(NodeTools::callback_t<ModifierValue&&> callback) const;
};
}
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